Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,4,2,0,1,0,0 for x=0,1,2,3,4,5,6.

A197718

Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,4,2,0,1,0,0 for x=0,1,2,3,4,5,6.

Terms

    a(0) =1a(1) =2a(2) =11a(3) =80a(4) =1162a(5) =32623a(6) =1615507a(7) =144988922a(8) =23856782383

External references